The normal values of over flow rates for sedimentation tanks using coagulant, ranges between__________________?

Related Mcqs:

The spacing of man holes along a straight portion of a sewer is 300 m, the diameter of the sewer may be__________________?

A. 0.9 cm B. 1.2 m C. 1.5 m D. > 1.5 m...

For non-scouring velocity 5 m/sec, the type of sewers generally preferred to, is____________________?

A. Cast iron sewers B. Cement concrete sewers C. Glazed bricks sewers D. Stone ware sewers...

If the depth of partial flow in a sewer of diameter 2 m, is 50 cm, its wetted perimeter is____________________ ?

A. 1/3 B. 0/2 C. 0/3 D. 2 /3...

The ratio of minimum hourly flow to the average flow of sewage is_________________?

A. 1/4 B. 1/3 C. 1/2 D. 3/4...

For detecting the nitrites in the sewage, the matching colour may be developed by adding_________________?

A. Potassium permanganate B. Sulphuric acid and napthamine C. Phenol-di -sulphuric acid potassium hydroxide D. None of these...